Fanboy

Fanboy (AKA Fannihilator) is a cheerful reformed villain and the biggest comic relief of the team. He represents Laughter.

Personality
Fanboy has the same cheerful and random personality, but he can be a bit crazier and more of a genius. He also is very protective of his friends.

Chum Chum
Out of the three main relationships, Fanboy and Chum Chum seem to be the closest out of all of them. They can't stand to be apart at all, but they have learned to get used to it a little

SwaySway
SwaySway is a little annoyed by Fanboy at times, but he has a soft spot for him. Meanwhile SwaySway thinks Craig is really cool.

Gus
Gus finds himself annoyed by Fanboy often, but they do have common ground such as loving crude humor.

Sanjay
Sanjay loves Fanboy's hyperactive and silly nature, but sometimes he can even be too weird for him to handle. Fanboy also admires Sanjay a lot.

Fraz
Fanboy can be a little annoying to Fraz, but they love hanging out and Fanboy can be protective of Fraz.

Kyle
Kyle used to be Fanboy's loyal servant, but he eventually left Fanboy high and dry after being tired of being pushed around. Fanboy later apologized and the two have become somewhat close again. In the future they are implied to have a relationship.